class PdsessionModifications < ActiveRecord::Migration
  def self.up
    add_column :pdsessions, :start, :datetime
    add_column :pdsessions, :end, :datetime
    remove_column :pdsessions, :date
    remove_column :pdsessions, :duration
  end

  def self.down
    remove_column :pdsessions, :start, :datetime
    remove_column :pdsessions, :end, :datetime
    add_column :pdsessions, :date, :date
    add_column :pdsessions, :duration, :time
  end
end
